Hardware Spec Index

Altrix HD-9942 Plus 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Altrix · SKU HD9942-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index2,908 (Hard Drives scale)
Category rank#33,543
Street price$509
Power8 W
Performance per dollar5.71
Released2021

Specifications

BrandAltrix
ModelAltrix HD-9942 Plus
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Altrix HD-1213 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive668$59Compare
Novexa HD-6006 XT 6TB 5,400 RPM CMR Desktop Hard Drive1,444$139Compare
Mirenta HD-2466 Ultra 2TB 5,400 RPM CMR Surveillance Hard Drive910$59Compare
Novexa HD-5765 Ultra 20TB 7,200 RPM CMR NAS Hard Drive3,008$489Compare
Strivon HD-7136 XT 24TB 7,200 RPM CMR NAS Hard Drive2,856$599Compare
Novexa HD-2610 XT 16TB 7,200 RPM CMR NAS Hard Drive2,599$349Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9942 Plus 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/15095003 (accessed 2026-10-25).